Grease tube storage unit



FIG. 1 is a top and front perspective view of a grease tube storage unit showing my new design;

FIG. 2 is a bottom and rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right elevation view thereof; the right side elevation view being a mirror image thereof;

FIG. 6 top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is top and front perspective view thereof showing lid open; and,

FIG. 9 top and rear view thereof showing lid open.

The broken lines in FIGS. 8 and 9 are shown for the purpose of illustrating environment only and form no part of the claimed design. 

CLAIM The ornamental design for a grease tube storage unit, as shown and described. 